<template>
  <div class="app-container">
    <!-- 页面顶部 -->
    <div class="header">
      <!--查询表单-->
      <div class="search-div">
        <el-form label-width="70px" size="small">

          <el-row>
            <el-col :span="24">
              <el-form-item label="角色编码">
                <el-input style="width: 50%" v-model="searchObj.roleCode" placeholder="请输入角色名称"></el-input>
              </el-form-item>
            </el-col>
          </el-row>

          <el-row>
            <el-col :span="24">
              <el-form-item label="角色名称">
                <el-input style="width: 50%" v-model="searchObj.roleName" placeholder="请输入角色名称"></el-input>
              </el-form-item>
            </el-col>
          </el-row>

          <!-- 按钮区域 -->
          <el-row style="display:flex">
            <el-button type="primary" icon="el-icon-search" size="mini" :loading="loading" @click="fetchData()">搜索</el-button>
            <el-button icon="el-icon-refresh" size="mini" @click="resetData">重置</el-button>
          </el-row>
        </el-form>
      </div>
    </div>

    <!-- 页面中部 -->
    <div class="center">
      <!-- 工具条 -->
      <div class="tools-div">
        <el-button type="success" icon="el-icon-plus" size="mini" @click="add">添 加</el-button>
        <el-button class="btn-add" type="danger" icon="el-icon-delete" size="mini" @click="batchRemove()" >批量删除</el-button>
      </div>

      <!-- 表格 -->
      <el-table
        v-loading="listLoading"
        :data="list"
        stripe
        border
        style="width: 100%;margin-top: 10px;"
        @selection-change="handleSelectionChange">

        <!-- 复选框字段 -->
        <el-table-column type="selection"/>

        <!-- 序号字段 -->
        <el-table-column
          label="序号"
          width="70"
          align="center">
          <template slot-scope="scope">
            {{ (page - 1) * limit + scope.$index + 1 }}
          </template>
        </el-table-column>

        <!-- 角色名称字段 -->
        <el-table-column prop="roleName" label="角色名称" />

        <!-- 角色编码字段 -->
        <el-table-column prop="roleCode" label="角色编码" />

        <!-- 创建时间字段 -->
        <el-table-column prop="createTime" label="创建时间" width="160"/>

        <!-- 操作字段 -->
        <el-table-column label="操作" width="200" align="center">
          <template slot-scope="scope">
            <el-button type="primary" icon="el-icon-edit" size="mini" @click="edit(scope.row.id)" title="修改"/>
            <el-button type="warning" icon="el-icon-baseball" size="mini" @click="showAssignAuth(scope.row)" title="分配权限"/>
            <el-button type="danger" icon="el-icon-delete" size="mini" @click="removeDataById(scope.row.id)" title="删除"/>
          </template>
        </el-table-column>
      </el-table>
    </div>

    <!-- 页面底部 -->
    <div class="footer">
      <!-- 分页组件 -->
      <el-pagination
          :current-page="page"
          :total="total"
          :page-size="limit"
          style="padding: 30px 0; text-align: center;"
          layout="total, prev, pager, next, jumper"
          @current-change="fetchData"
      />
    </div>

    <!-- 新增/修改弹出框 -->
    <el-dialog title="添加/修改" :visible.sync="dialogVisible" width="40%" >
      <!-- 弹出框表单 -->
      <el-form ref="dataForm" :model="sysRole" label-width="150px" size="small" style="padding-right: 40px;">
        <!-- 表单项-角色名称 -->
        <el-form-item label="角色名称">
          <el-input v-model="sysRole.roleName"/>
        </el-form-item>

        <!-- 表单项-角色编码 -->
        <el-form-item label="角色编码">
          <el-input v-model="sysRole.roleCode"/>
        </el-form-item>
      </el-form>

      <!-- 弹出框下方按钮 -->
      <span slot="footer" class="dialog-footer">
        <el-button @click="dialogVisible = false" size="small" icon="el-icon-refresh-right">取 消</el-button>
        <el-button type="primary" icon="el-icon-check" @click="saveOrUpdate()" size="small">确 定</el-button>
      </span>
    </el-dialog>

  </div>
</template>
<script>
import api from '@/api/system/sysRole'
export default {
  // 定义数据模型
  data() {
    return {
      listLoading: false, // 数据是否正在加载
      loading: false, // 按钮状态
      list: [], // 列表
      total: 0, // 总记录数
      page: 1, // 页码
      limit: 10, // 每页记录数
      searchObj: {}, // 查询条件
      multipleSelection: [],// 批量删除选中的记录列表
      dialogVisible: false,
      sysRole: {},
      saveBtnDisabled: false,
      multipleSelection: []// 批量删除选中的记录列表
    }
  },
  // 页面渲染成功后获取数据
  created() {
    this.fetchData()
  },

  // 定义方法
  methods: {
    //分页查询
    fetchData(current = 1) {
      this.page = current
      // 调用api
      this.loading = true
      this.listLoading = true

      api.getPageList(this.page, this.limit, this.searchObj)
        .then(response => {
          this.list = response.data.records
          this.total = response.data.total
        })
        .catch(error => {
          console.error('角色列表数据查询失败', error)
          // 可以在这里添加错误处理逻辑，比如弹出错误提示
        })
        .finally(() => {
          this.listLoading = false
          this.loading = false
        })
    },

    // 重置表单
    resetData() {
        console.log('重置查询表单')
        this.searchObj = {}
        this.fetchData()
    },

    //根据id删除数据
    removeDataById(id) {
        // debugger
        this.$confirm('此操作将永久删除该记录, 是否继续?', '提示', {
            confirmButtonText: '确定',
            cancelButtonText: '取消',
            type: 'warning'
        }).then(() => { // promise
            // 点击确定，远程调用ajax
            return api.removeById(id)
        }).then((response) => {
            this.fetchData(this.page)
            this.$message.success(response.message || '删除成功')
        })
    },

    //添加角色
    add(){
      this.dialogVisible = true
    },

    //保存或修改
    saveOrUpdate() {
      this.saveBtnDisabled = true // 防止表单重复提交
      if (!this.sysRole.id) {
        this.saveData()
      } else {
        this.updateData()
      }
    },

    //保存数据
    saveData() {
      api.save(this.sysRole).then(response => {
        this.$message.success(response.message || '操作成功')
        this.dialogVisible = false
        this.fetchData(this.page)
      })
    },

    //编辑
    edit(id) {
      this.dialogVisible = true
      this.fetchDataById(id)
    },

    //根据id查询数据
    fetchDataById(id) {
      api.getById(id).then(response => {
        this.sysRole = response.data
      })
    },

    //修改数据
    updateData() {
      api.updateById(this.sysRole).then(response => {
        this.$message.success(response.message || '操作成功')
        this.dialogVisible = false
        this.fetchData(this.page)
      })
    },

    // 当多选选项发生变化的时候调用
    handleSelectionChange(selection) {
      console.log(selection)
      this.multipleSelection = selection
    },

    //给角色分配权限
    showAssignAuth(row) {
      this.$router.push('/system/assignAuth?id='+row.id+'&roleName='+row.roleName);
    },

    // 批量删除
    batchRemove() {
      if (this.multipleSelection.length === 0) {
        this.$message.warning('请选择要删除的记录！')
        return
      }
      this.$confirm('此操作将永久删除该记录, 是否继续?', '提示', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning'
      }).then(() => {
        // 点击确定，远程调用ajax
        // 遍历selection，将id取出放入id列表
        var idList = []
        this.multipleSelection.forEach(item => {
          idList.push(item.id)
        })
        // 调用api
        return api.batchRemove(idList)
      }).then((response) => {
        this.fetchData()
        this.$message.success(response.message)
      })
    }
  }
}
</script>

<style scoped>
  /* 页面头部 */
  .header{
    /* 边框实线，黑色，圆角 */
    border: 2px solid rgba(223, 219, 219, 0.863);
    /* 边框圆角 */
    border-radius: 15px;
    /* 内边距 */
    padding: 7px;
    /* 外边距 */
    margin-bottom: 10px;
  }

  /* 页面中部 */
  .center{
    /* 边框实线，黑色，圆角 */
    border: 2px solid rgba(223, 219, 219, 0.863);
    /* 边框圆角 */
    border-radius: 15px;
    /* 内边距 */
    padding: 7px;
    /* 外边距 */
    margin-top: 10px;
  }
</style>
